 /*******************************************************************************
  * Copyright (c) 2004, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.presentations;

 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.IMemento;
 import org.eclipse.ui.presentations.AbstractPresentationFactory;
 import org.eclipse.ui.presentations.IPresentationSerializer;
 import org.eclipse.ui.presentations.IStackPresentationSite;
 import org.eclipse.ui.presentations.StackPresentation;

 /**
  *
  */
 public class PresentationFactoryUtil {

     public static final int ROLE_EDITOR = 0x01;

     public static final int ROLE_VIEW = 0x02;

     public static final int ROLE_STANDALONE = 0x03;

     public static final int ROLE_STANDALONE_NOTITLE = 0x04;
     
     public static StackPresentation createPresentation(
             AbstractPresentationFactory factory, int role, Composite parent,
             IStackPresentationSite site, IPresentationSerializer serializer,
             IMemento memento) {

         StackPresentation presentation = null;

         switch (role) {
         case ROLE_EDITOR:
             presentation = factory.createEditorPresentation(parent, site);
             break;
         case ROLE_STANDALONE:
             presentation = factory.createStandaloneViewPresentation(parent,
                     site, true);
             break;
         case ROLE_STANDALONE_NOTITLE:
             presentation = factory.createStandaloneViewPresentation(parent,
                     site, false);
             break;
         default:
             presentation = factory.createViewPresentation(parent, site);
         }

         //don't initialize editors at creation time - it will not contain any parts
 if (role != ROLE_EDITOR && memento != null && serializer != null) {
             presentation.restoreState(serializer, memento);
         }

         return presentation;
     }

     private PresentationFactoryUtil() {

     }
 }

